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Finding the Fourth Proportional to 375,026.78, 517,536.96 and 205,260.91

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Solution

The fourth proportional to 375,026.78, 517,536.96 and 205,260.91 is: 283,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,026.78 : 517,536.96 = 205,260.91 : x
  2. Step 2: Convert to fraction form
    375,026.78/517,536.96 = 205,260.91/x
  3. Step 3: Cross multiply
    375,026.78x = 517,536.96 × 205,260.91
  4. Step 4: Simplify right side
    375,026.78x = 106,230,107,368.23
  5. Step 5: Solve for x
    x = 106,230,107,368.23/375,026.78
  6. Step 6: Final answer
    x = 283,260.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.